Ruby$BMQ8l=8(B

A

AWK

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B

C

Coerce

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Ruby$B$N%i%$%V%i%j$N?tCM7?$NJQ49=g=x$O(B

	Fixnum -> Bignum -> Rational -> Float -> Complex

$B$K$J$C$F$$$k!%(B

D

Data

C$B%l%Y%k$N%]%$%s%?$r(BRuby$B%*%V%8%'%/%H$H$7$F8+$;$k$?$a$N%i%C%Q!

defined?

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	defined? print("abc\n")

$B$O$J$K$b=PNO$7$J$$!%(B

E

Eiffel

$B%*%V%8%'%/%H;X8~%W%m%0%i%_%s%08@8l!%(Bmatz$B$O@N$3$N8@8l$N:nend$B$G(B $B=*$k$H$3$m$H!$(Brescue$B$H$$$&M=Ls8l$@$1$+!%(B

end

$B%V%m%C%/9=B$$r=*$($kM=Ls8l!%$"$kE}7W$K$h$l$P(BRuby$B$r:G=i$K8+$?(B $B?M$N(B33%$B$,$3$l$r8+$F(BPascal$B$rO"A[$9$k$H$$$&(B($B13(B)$B!%$7$+$7!$

Ruby$B$,(BC$B$d(BPerl$B$G47$l?F$7$s$@(B {}$B$r;H$o$J$+$C$?$N(B $B$O0J2<$NM}M3$G$"$k(B

• $BC1J8!&I|J8LdBj$N2sHr(B

  $B$?$H$($P(BC$B$G$O(B

  	if (a==b)
  	   c();
  

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  	if (a==b)
  	   c();
  	   d();
  

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• $B$V$i$V$i(Belse$BLdBj$N2sHr(B

  $B>e5-$HN`;w$@$,!$(B

  	if (a==b)
  	   if (c==d) foo();
  	else bar();
  

  $B$J$I$H=q$$$F$7$^$&$HLLE]$J$3$H$K$J$k!%>e$N%W%m%0%i%`$O

  	if (a==b) {
  	   if (c==d) foo();
  	   else bar();
  	}
  

  $B$H$$$&0UL#$G$"$k!%(B

• $B2DFI@-$N8~>e(B

  $B0[O@$O$"$k$h$&$@$,!$(Bend$B$H$$$&C18l$G%V%m%C%/$rJD$8$?J}$,%W%m(B $B%0%i%`$,FI$_$d$9$$$H9M$($F$$$k?M$,$$$k!%(B

• begin, case$B$N9=J8>e$NLdBj(B

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ENV

$B4D6-JQ?t$r%"%/%;%9$9$k$?$a$N(BHash $B$HF1MM$NF0:n$r$9$k%*%V%8%'%/%H!%Object$B%/%i%9$N%$%s(B $B%9%?%s%9$G$"$k!%$3$N%*%V%8%'%/%H$K$h$C$F(B $B4D6-JQ?t(B$B$rJQ99$9$k$H!$(B Ruby$B$N;R%W%m%;%9$K$b0z$-7Q$,$l$k!%(B

F

FAQ, Frequently Asked Questions

$B$h$/$"$k Ruby$B$N(BFAQ$B$O$^$@$^$@H/E8ES>e$G$"$k!%

G

goto

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H

I

J

K

L

M

main

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$BDj5A$5$l$F$$$kFC0[%a%=%C%I(B

• private
• public
• include

MatchingData

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matz

Ruby$B$N:ncmail $B$H(B3$B?M$N;R6!$NIc?F$G$b$"$k!%(B

Mix-in

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Ruby$B$G$OB?=E7Q>5$r:NMQ$;$:!$(Bis-a$B$N4X78$N$?$a$N7Q>5$H!$5!G=$N(B $B6&M-$N$?$a$N(BMix-in$B$rMQ0U$7$F$$$k!%$3$l$OB?=E7Q>5$rMtMQ$9$k$H(B $B4X78$,:.Mp$9$k$H$$$&(Bmatz$B$N?.G0$N$?$a$G$"$k!%(B

N

O

P

Perl

$B2?$@$C$?$C$1!)(B

Python

Ruby$B$N%i%$%P%k!%!VG/$r7P$?A0$ND9(B $B$5(B(6$BJ8;z(B)$B$G$"$k!%(B

Q

R

Ruby

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S

Sather

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self

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Smalltalk

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super

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$BLdBj(B:

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	def foo(a)
	   print a
	end
	def self.foo(a)
	  a=25
	  super
	end
	foo(5)    # 5 or 25??

$BEz$((B:

$B85$NCM(B(5)

T

Thread

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U

undef

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V

W

X

Y

Z

$B$"(B

$B%$%F%l!<%?(B, Iterator

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$B%$%F%l!<%?$NCf$G$O(B yield$B$r;H$C$F(B $B%V%m%C%/$r

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$B%$%s%9%?%s%9JQ?t(B, Instance Variable

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$B%*!<%P!<%i%$%I(B, Override

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$B%*%V%8%'%/%H(B, Object

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$B%*%V%8%'%/%H;X8~(B

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• $B7Q>5(B
• $B%+%W%;%k2=(B
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$B%*%V%8%'%/%H;X8~@_7W(B, Object-Oriented Design

$B%*%V%8%'%/%H$r4pK\$K$7$?%7%9%F%`@_7W(B

$B%*%V%8%'%/%H;X8~(B $B%W%m%0%i%_%s%0(B, Object-Oriented Programming

$B%*%V%8%'%/%H$r4pK\$K$7$?%W%m%0%i%_%s%0!%(B

$B%*%V%8%'%/%H;X8~J,@O(B, Object-Oriented Analysis

$B%*%V%8%'%/%H$r4pK\$K$7$?%7%9%F%`J,@O!%(B

$B$+(B

$B%+%W%;%k2=(B, Encapsulation

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Ruby$B$O%$%s%9%?%s%9JQ?t$O%a%=%C%I$+$i$7$+;2>H$G$-$J$$$N$G!$%+(B $B%W%;%k2=$,6/@)$5$l$F$$$k$H$$$($k!%(B

$B4D6-JQ?t(B, Environment Variable

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$B4X?t(B, Function

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$B%/%i%9%a%=%C%I(B, Class Method

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$B7Q>5(B, Inheritance

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